xintongsong opened a new pull request #10785: [FLINK-15375][core] Improve MemorySize to print / parse with better readability. URL: https://github.com/apache/flink/pull/10785 ## What is the purpose of the change This PR improves readability and usability of `MemorySize`. ## Brief change log - `MemorySize#toString` prints memory size with both accurate bytes and coarse value with proper unit. - `MemorySize#parse` supports parsing string followed by coarse value, which is generated by `MemorySize#toString`. - Add factory method for constructing `MemorySize` from mebibytes. ## Verifying this change - Add cases in `MemorySizeTest` ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (no) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes) - The serializers: (no) - The runtime per-record code paths (performance sensitive): (no) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no) - The S3 file system connector: (no) ## Documentation - Does this pull request introduce a new feature? (no) - If yes, how is the feature documented? (not applicable)
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